<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>新增附件</title>
    <link rel="stylesheet" href="/static/pengpai/component/pear/css/pear.css" />
    <link href="/static/pengpai/component/layui/css/layui.css" rel="stylesheet">
    <link href="/static/pengpai/component/code/css/style.css" rel="stylesheet">
    <link href="https://cdn.bootcdn.net/ajax/libs/normalize/8.0.1/normalize.min.css" rel="stylesheet">
</head>
<body>
<form class="layui-form" action="" onsubmit="return false">
    <div class="layui-form-item">
        <label class="layui-form-label">上传附件:</label>
        <div class="layui-input-block">
            <button type="button" class="layui-btn layui-btn-normal" id="fileList">选择多文件</button>
            <div class="layui-upload-list" style="max-width: 1000px;">
                <table class="layui-table">
                    <colgroup>
                        <col>
                        <col width="150">
                        <col width="260">
                        <col width="150">
                    </colgroup>
                    <thead>
                    <tr><th>文件名</th>
                        <th>大小</th>
                        <th>上传进度</th>
                        <th>操作</th>
                    </tr></thead>
                    <tbody id="filesList"></tbody>
                </table>
                <input id="fileCodes" type="hidden" name="fileCodes"  placeholder="请输入输入框内容" autocomplete="off" class="layui-input">
            </div>
            <button type="button" class="layui-btn" id="fileListAction">开始上传</button>
        </div>
    </div>
</form>
<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<script src="/static/pengpai/component/layui/layui.js"></script>
<script src="/static/pengpai/component/pear/pear.js"></script>
<script>
    layui.use(['form', 'jquery', 'popup', 'layer'], function() {
        let form = layui.form;
        let $ = layui.jquery;
        let popup = layui.popup;
        var upload = layui.upload;
        var element = layui.element;
        var fList = new Array();

        //演示多文件列表
        var uploadListIns = upload.render({
            elem: '#fileList'
            ,elemList: $('#filesList') //列表元素对象
            ,url: '/webAttach/upload' //此处用的是第三方的 http 请求演示，实际使用时改成您自己的上传接口即可。
            ,accept: 'file'
            ,multiple: true
            ,number: 10
            ,auto: false
            ,bindAction: '#fileListAction'
            ,choose: function(obj){
                var that = this;
                var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
                //读取本地文件
                obj.preview(function(index, file, result){
                    var tr = $(['<tr id="upload-'+ index +'">'
                        ,'<td>'+ file.name +'</td>'
                        ,'<td>'+ (file.size/1024).toFixed(1) +'kb</td>'
                        ,'<td><div class="layui-progress" lay-filter="progress-demo-'+ index +'"><div class="layui-progress-bar" lay-percent=""></div></div></td>'
                        ,'<td>'
                        ,'<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>'
                        ,'<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>'
                        ,'</td>'
                        ,'</tr>'].join(''));

                    //单个重传
                    tr.find('.demo-reload').on('click', function(){
                        obj.upload(index, file);
                    });

                    //删除
                    tr.find('.demo-delete').on('click', function(){
                        delete files[index]; //删除对应的文件
                        tr.remove();
                        uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
                    });

                    that.elemList.append(tr);
                    element.render('progress'); //渲染新加的进度条组件
                });
            }
            ,done: function(res, index, upload){ //成功的回调
                var that = this;
                //if(res.code == 0){ //上传成功
                var tr = that.elemList.find('tr#upload-'+ index)
                    ,tds = tr.children();
                tds.eq(3).html(''); //清空操作
                delete this.files[index]; //删除文件队列已经上传成功的文件
                fList.push(res.data)
                const fileCodes = document.getElementById('fileCodes');
                fileCodes.value = fList.toString()
                return;
                //}
                this.error(index, upload);
            }
            ,allDone: function(obj){ //多文件上传完毕后的状态回调
                console.log(obj)
                // parent.layer.close(parent.layer.getFrameIndex(window.name));//关闭当前页
                // parent.layui.table.reload("attach-table");
            }
            ,error: function(index, upload){ //错误回调
                var that = this;
                var tr = that.elemList.find('tr#upload-'+ index)
                    ,tds = tr.children();
                tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
            }
            ,progress: function(n, elem, e, index){ //注意：index 参数为 layui 2.6.6 新增
                element.progress('progress-demo-'+ index, n + '%'); //执行进度条。n 即为返回的进度百分比
            }
        });

    })
</script>
<script>
</script>
</body>
</html>
